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ENGLISH
ENGLISH
Here following are explained two types of connections that
improve sound quality. The speakers in these explanations have
low and mid/high input jacks that support a bi-amp connec-
tion. To determine whether or not your speakers support a bi-
amp connection, check in the instruction manual that came
with your speakers or contact the manufacturer.
BI-WIRING CONNECTION
A bi-wiring connection separately connects the low and mid/
high jacks of the speaker to the amplifier using separate
speaker cables. Because separate cables are used for low
and mid/high sounds, the return current generated in the low
speaker causes little interference with the mid/high speaker.
The PM-11S1 and speakers of Connection Example 1 use a
bi-wiring connection, therefore also refer to that page for help.
COMPLETE BI-AMP CONNECTION
Proposed by Marantz, the complete bi-amp connection en-
hances the bi-wiring connection. With it, the low and mid/high
amplifiers are separate and independent of the preamplifier,
therefore interference between low and mid/high sounds is
reduced to a minimum. As a result, a wide sound environment
can be reproduced. Connection Example 3 connects two PM-
11S1s by FCBS in a complete bi-amp connection, therefore
also refer to that page for help.
CD
player,
etc.
Bi-wiring
connection
Speaker system
Band
pass filter
Mid/high
speaker
Low
speaker
SPEAKER POSITIONING FOR SUPER
AUDIO MULTI-CHANNEL SOUND
In order to enjoy Super Audio CD multi-channel sound with
the best possible acoustics, it is recommended to position
speakers as specified in ITU-R BS.775-1 of the International
Telecommunication Union (ITU). Super Audio CD multi-chan-
nel discs are recorded and mixed so as to achieve the opti-
mum effect with a speaker system laid out as specified in ITU-
R BS.775-1.
With Super Audio CD multi-channel discs, the music sig-
nals are basically recorded using 5 channels (3 - 6 chan-
nels sometimes), but in some cases, LFE (for subwoofer) is
recorded as a sixth channel. Each disc indicates how many
channels have been recorded on it.
The basic layout is 3 speakers in the front and 2 in the back
since multi-channel discs usually have 5 channels. The 2
front, 1 center and 2 surround (rear) speakers should be set
in a circle around the listening point as shown below. If us-
ing speakers of differing sizes, adjust volume balance from
the amplifier.
The location of the subwoofer in the figure is just for ex-
planatory purposes. It can be located anywhere in the room.
For connection and positioning instructions, see the instruc-
tion manual that came with the subwoofer.
77
77
7 ITU (International Telecommuni-
cation Union)
The ITU is a special organization of the United Nations. It
consists of a number of organs, one of which is the Radio
Broadcasting Section.
ITU-R BS in the recommendation which consists of standards
relating to broadcasting (audio) operations, one of which is
the ITU-R BS.775-1 which governs multi-channel stereo sound
systems.
Complete bi-amp connection Speaker system
CD
player,
etc.
PM-11S1 bi-
amp mode
Band
pass filter
Mid/high
speaker
Low
speaker
Center
speaker
Rear speaker
(Right Surround)
Sub-woofer
Front speaker
(Left)
Rear speaker
(Left Surround)
Front speaker
(Right)
Reference listening
position
approx. 110° approx. 110°
BEFORE MAKING CONNECTIONS
PM-11S1
PM-11S1N ENG(P01-P06)A4 04.8.17, 11:34 PMPage 6 Adobe PageMaker 6.5J/PPC
10


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